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Finding the Fourth Proportional to 461,199.48, 636,453.61 and 257,250.25

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Solution

The fourth proportional to 461,199.48, 636,453.61 and 257,250.25 is: 355,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,199.48 : 636,453.61 = 257,250.25 : x
  2. Step 2: Convert to fraction form
    461,199.48/636,453.61 = 257,250.25/x
  3. Step 3: Cross multiply
    461,199.48x = 636,453.61 × 257,250.25
  4. Step 4: Simplify right side
    461,199.48x = 163,727,850,285.90
  5. Step 5: Solve for x
    x = 163,727,850,285.90/461,199.48
  6. Step 6: Final answer
    x = 355,004.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.